43" WC but the switch is not closing

this model is factory-set at 150 PSIG and delivers a certified steam relief capacity of 6596 lb/hr

Key Benefits OEM Precision: Specifically engineered as the primary HB32GQ230 technical replacement for outdated 1/12 HP Carrier motors

this universal-style thermostat cover fits most standard 2" x 3" vertical or horizontal controllers used in building management systems

Lochinvar & A.O. Smith 100109740 Gas Valve 321894-708 43" WC but the switchThe 100109740 gas control valve is a critical direct replacement component designed for compatibility with high efficiency Lochinvar Knight and A. O. Smith condensing boilers. This precise negative pressure gas valve manages the fuel to air ratio, ensuring efficient combustion across varying modulation rates. Engineered for natural gas (NG) applications, this valve features a reliable solenoid actuator and a finely tuned internal regulator to maintain